Re: WTB SCSI HD

["Dan Yertzell" <Dan-Yertzell@worldnet.att.net>]

Steve Jensen <sjensen@primenetyourknife.com> wrote in article
<5r81d4$f9j@nntp02.primenet.com>...
> 
> Dan, no sweat.  You already have a rev C Rom.
>  
> The original Apple SCSI card went through three ROM revisions, called
> "revision A", "revision B" and "revision C".  The ROM part numbers are:
>  
> rev A: 341-0112A
> rev B: 341-0112B
> rev C: 341-0437A
>  
> The first two versions are 2764 EPROMs (8Kx8).  The rev C is a 27128
> EPROM (16Kx8).
>  
> Revision C is required for use with GS/OS, or to support Apple CD-ROM
> drives.  Revs A & B will work on a GS using ProDOS 8 just fine.  I
> ran GBBS on a rev A for years.

OK.  It's good to get a definitive answer on this.

Thanks,

Dan